1955

7.2

2021

10.0

2007

9.8

2014

7.5

1993

4.9

1932

6.2

1977

7.0

2012

5.5

1956

6.2

2004

6.6

2000

5.5

2013

6.1

2004

7.1

2019

5.9

1962

7.3

1981

7.0

1993

6.3

1967

6.5

1980

6.7

2015

6.1